What are the differences between Notator and Creator SL?Notator SL and Creator SL are exactly alike, except for the fact that Notator (as its name implies) handles notation in addition to MIDI sequencing.

That is, display notes on the screen (which can be edited, affecting not only the display but also the actual music) and finally getting the musical piece printed on paper.

There is also a third program which is not very well known called "Notator Alpha". Alpha is a very basic and cut down version of Notator SL, mainly aimed at the educational market teaching the basics of music and notation.